INTRODUCTION
MISSION
CORPORATE STRATEGY
MANAGEMENT &
BOARD OF DIRECTORS
    Management
    Board of Directors
INTELLECTUAL PROPERTY
CORPORATE FACT SHEET

Paratek Pharmaceuticals seeks to maintain a dominant patent position in our technology programs through broad protection of our proprietary compounds and technology. Paratek's policy is to diligently protect our assays, organic synthetic processes, lead compounds, and certain other technologies by, among other things, filing patent applications for technology relating to the development of our business in the United States and worldwide.

As of June 2006, the Paratek patent portfolio is as follows:

  Tetracycline (TET) Program MAR Program
  U.S. International U.S. International
 Issued 26 95 12 14
 Pending 58 158 10 27
 Total 84 253 22 41